Proof: Angle of secant and tangent lines equal half larger arc minus smaller arc.

Prove theorem -- If a secant and a tangent line intersect outside the circle, then the measure of the angle formed is half the measure of the larger intercepted arc minus the measure of the smaller intercepted arc.

[@kenaujak]

Discovered this channel cause I needed math help. So damn wholesome that this guy posted all of these.

[@edinixfilms]

Thanks so much I had so much trouble proving this because I didn't know about the chord tangent part. Thanks

[@MaryGreshamThePanda]

omg i forgot about the external angle thing thank you so much

[@unixpickle1]

This was quite helpful. Thanks a million for posting this!

[@chloe.gwidone5656]

wonderful!

[@shaunaklavande8159]

hello future Mr. Erbrecht students...